Summary

My own revision.
Original design was solid and was a bit large for new sockets and would sometimes twist the heads off trying to turn and engage them.
New design allows some compression so it fits new and old (worn) sockets both.

Print Settings

Printer Brand:

MakerBot

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>MakerBot Replicator</p></div></p>                                                                                <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>standard</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>50%</p></div></p>                                                        <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>I printed original as 100% infill but for version 2 I printed at 50% to allow some more flexibility of the two legs.</p></div>

Twist lock Fastener_V2